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Articles by S. Behzadi
Total Records ( 3 ) for S. Behzadi
  S. Behzadi , Ali A. Alesheikh and E. Poorazizi
  It is mostly believed that raster maps are not practically useful for finding shortest path and generally vector approaches are more prevalent. But any raster approach can open new horizons. Among various approaches, Genetic Algorithm (GA) can contribute effectively in solving lots of problems including shortest path problem in raster maps where other algorithms are inefficient. In this research a novel Genetic Algorithm (GA) will be presented for solving shortest path on a raster map. In a raster map, each road is shown by a specific color. A few pre-processes are performed on raster map based on the color attributes then all parameters of Genetic Algorithm will be defined. In order to evaluate the proposed algorithm, a raster map as an urban road map is selected. In the case study, the algorithm was successful in determining the shortest path.
  E. Poorazizi , A.A. Alesheikh and S. Behzadi
  Field based and GPS assisted GIS are frequently used in various geoscience applications. Such systems deliver more advanced, time and cost effective tools than traditional field forms for information collection. At the same time, different systems are on the market. These systems mostly enable users to determine positions of geo-objects by GPS and maintain functionalities to gather and analyze geometric information. The digital obtaining of the application`s specific information is often underrepresented within these kinds of systems. This study attempted to develop a system for gathering, integrating, analyzing and visualizing spatial and aspatial information in electrical industry facilities. A PDA based GIS is extended to collect information in a beneficial manner, thus, adequately supporting the requirements of its users. Mobile GIS architectures, the components of a mobile GIS and their impacts on gathering data are examined. The steps followed to design and develop a system for the electricity Transmission and Distribution Company are demonstrated. The results are presented and discussed in details in the study.
  M. Ranjbaran , P. Mirzaei , F. Lotfi , S. Behzadi and H. Sahraei
  In the present study, effects of hydro-alcoholic extract of Papaver rhoeas L. (Papaveraceae) on the metabolic changes induced by electro foot shock stress in male NMRI mice (25-30 g) has been investigated. The mice were received electric foot shock (40 mV) for 100 sec. Plasma corticosterone levels, food and water intake and delay to eating (Anorexia) were assessed 20 min later. Different doses of the plant extract (15, 30 and 60 mg kg-1), or saline (10 mL kg-1) was injected to the animals intraperitoneally 30 min before the stress. The control groups received saline (10 mL kg-1) or the extract (15, 30 and 60 mg kg-1) and 30 min later were exposed to the apparatus but did not received stress. Our results indicated that stress can increase plasma corticosterone level significantly and the extract can exacerbate the stress effect. However, stress could reduce food and water intake and increase delay to eating times which were inhibited by the extract pretreatment. The results indicate that administration of the extract of Papaver rhoeas can reduce the side effects of stress but increases plasma corticosterone level which may be due to its effects on the adrenal gland.
 
 
 
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